Effective. Abdominal ripper is a new exercise video, which is specially used to exercise abdominal muscles. Many people are using it, and the effect is good after using it. But if you want to have an effect, you must use the prescription inside, and it will have an effect after a while. But if used improperly, it will do harm to the body, so in order to be effective, you must persist in exercising for more than three months. Because the abdominal ripper is an aerobic exercise training, it is very useful for dieters. But you can't practice every day. It will take some time to take effect.